import Vue from 'vue'
import VueRouter from 'vue-router'

// import Login from '../components/Login.vue'
// import Home from '../components/Home.vue'
// import Welcome from '../components/Welcome.vue'
const Login = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Login.vue')
const Home = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "login_home_welcome" */ '../components/Welcome.vue')

// import User from '../components/users/Users.vue'
const User = () => import(/* webpackChunkName: "user_rights_roles" */ '../components/users/Users.vue')
// import Rights from '../components/power/Rights.vue'
const Rights = () => import(/* webpackChunkName: "user_rights_roles" */ '../components/power/Rights.vue')
// import Roles from '../components/power/Roles.vue'
const Roles = () => import(/* webpackChunkName: "user_rights_roles" */ '../components/power/Roles.vue')

// import Categories from '../components/goods/Categories.vue'
const Categories = () => import(/* webpackChunkName: "cate_params" */ '../components/goods/Categories.vue')
// import Params from '../components/goods/Params.vue'
const Params = () => import(/* webpackChunkName: "cate_params" */ '../components/goods/Params.vue')

// import List from '../components/goods/List.vue'
const List = () => import(/* webpackChunkName: "list_add_edit" */ '../components/goods/List.vue')
// import AddGoods from '../components/goods/Add.vue'
const AddGoods = () => import(/* webpackChunkName: "list_add_edit" */ '../components/goods/Add.vue')
// import EditGoods from '../components/goods/Edit.vue'
const EditGoods = () => import(/* webpackChunkName: "list_add_edit" */ '../components/goods/Edit.vue')

// import Order from '../components/orders/Order.vue'
const Order = () => import(/* webpackChunkName: "order_report" */ '../components/orders/Order.vue')
// import Report from '../components/report/report.vue'
const Report = () => import(/* webpackChunkName: "order_report" */ '../components/report/report.vue')

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },
  {
    path: '/home',
    component: Home,
    redirect: '/Welcome',
    children: [
      { path: '/Welcome', component: Welcome },
      { path: '/users', component: User },
      { path: '/orders', component: Order },
      { path: '/rights', component: Rights },
      { path: '/roles', component: Roles },
      { path: '/categories', component: Categories },
      { path: '/params', component: Params },
      { path: '/goods', component: List },
      { path: '/goods/add', component: AddGoods },
      { path: '/goods/edit', component: EditGoods },
      { path: '/reports', component: Report }
    ]
  }
]

const router = new VueRouter({
  routes
})

router.beforeEach((to, from, next) => {
  // to: 将要访问的路径
  // from: 从哪个路径跳转而来
  // next: 是一个函数，表示放行
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
